The Israel War on Independence

Holocaust and persecution of Jews in Europe leads to many of them leaving to Israel

Arab League is formed in 1945 to protest the Balfour Declaration

France gives Syria and Lebanon independence in 1946

British fall out of favour with the Jews under the guidance of the Zionist movement (A homeland had not been created yet)

The British hand the problem over to the United Nations in 1947

The War:

1947 The United Nations suggests partition

Jewish people are happy with this; the Arabs become angry

Arab radicals had attacked Jews throughout 1947

The Arab League had rumours of attacking the Jews once the British left

The day the mandate ends the Jews (under David Ben-Gurion) attack Arab League countries

The Jews win and increase their territory from the partition, including the Negev Desert

Many Palestine's became refugees

Palestinians begin terrorist attacks within Israel

Before the Israel War on Independence, many events led the to conclusion of a war. By 1947, the United Nations suggested a partition which the Jewish people were content with; but the Arabs were not. When the mandated ended, the successfully Jews attacked Arab League countries. Thus expanding their territory. Many Palestinians became refugees and ultimately began attack Israel.

Question: Which event prior to the war had the most impact on creating the war?